Unit 2: Plate Tectonics & the Ocean Basin

A flat top Mountain underwater is called:

This seafloor feature is where the seafloor expands, forming mountain ranges

Which of the following is not true of the mid-ocean ridges?

Which of the following is not evidence for continental drift?

As a volcanic Island erodes, they often form __________, which is a flat top mountain under water

As a volcanic Island erodes, they often form __________, which is a ring of corals surrounding a lagoon

The sea floor expands 2-18 _______ each year

Which of the Following is NOT an Ocean Basin

What type of boundary is it when an ocean plate meets a continental plate?

This region is a sharp downward decline of the ocean floor towards the abyssal plain

How fast are the continents moving?

The idea that the continents were once joined & led to the Theory of Plate Tectonics is called:

Which of the following is not true of oceanic crust?

Trenches are formed in areas where:

Earth’s magnetic field is caused by movements of liquid metal in which of Earth’s layers?

The formula for density is

The semi-solid layer of the earth found below the crust and outside of the core is called the:

At a Convergent Boundary (Subduction zone) All of the following can form EXCEPT:

The thinnest layer of Earth is the:

A hotspot is a fixed point on earth where the mantle seeps through the crust, this often causes

The discovery of these in the mid-20th century further supported The Theory of Plate Tectonics:

Which of the Following is NOT an Ocean Basin

Continental crust is less dense than oceanic crust.

Which of the following statements is not true with regards to the oceanic crust?

As a volcanic Island erodes, they often form __________, which is a ring of corals surrounding a small island

New seafloor is...

What is the driving force that moves the ocean plates?